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New posts in activerecord

Validate Rails attribute presence but allow empty string

ruby-on-rails ruby validation activerecord

belongs_to not using primary key option

ruby-on-rails activerecord

What's the significant difference between active record and data mapper based ORMs?

orm activerecord datamapper

What is Object::private and Object::public in Ruby?

ruby-on-rails ruby activerecord named-scope

Rails validatation to ensure a username does not clash with an existing route?

ruby-on-rails ruby-on-rails-3 validation activerecord activemodel

Rails 3.1.3 unscoped scope

ruby-on-rails activerecord ruby-on-rails-3.1 default-scope

rails Multiple models in a single file

ruby-on-rails ruby-on-rails-3 activerecord

Build vs new in Rails 4

activerecord ruby-on-rails-4

When does ActiveRecord establish connections?

ruby-on-rails activerecord

Update multiple rows with one query in rails

ruby-on-rails activerecord

E-commerce product filter db design

php mysql activerecord yii e-commerce

Yii2: get raw sql of model->save()

php activerecord yii yii2

Rails: Calling Model methods in to_json(:methods => [:model_method])

ruby-on-rails json activerecord

How should I use Rails to index and query a join table?

ruby-on-rails ruby ruby-on-rails-4 activerecord devise

Rails 4 after_save previous_changes not working

ruby-on-rails ruby-on-rails-4 activerecord awesome-nested-set

Modelling stock considering orders in Rails

ruby-on-rails postgresql activerecord calculated-columns

Shouldn't Rails find_by_ methods return an empty array instead of nil?

ruby-on-rails activerecord null

Bulk upsert with Ruby on Rails

ruby-on-rails ruby postgresql activerecord upsert

Ruby/ActiveRecord not detecting changes after stripping whitespace from field

mysql ruby activerecord

No possibility to update model attributes with a block syntax?

ruby-on-rails ruby-on-rails-3 activerecord ruby-on-rails-4
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